Search found 81 matches

by Crepello
Sun Sep 15, 2019 7:44 pm
Forum: Steam Locomotives
Topic: Any Wheel and size!
Replies: 79
Views: 11259

Re: Any Wheel and size!

grovenor-2685 wrote:The profile is in the Standards digest.


I'd prefer the Exactoscale profile - the scale half-inch extra clearance each side would be most welcome with outside cylinder locos.
by Crepello
Sun Sep 01, 2019 4:22 pm
Forum: Steam Locomotives
Topic: Some North Eastern & LNER Locomotive Builds
Replies: 199
Views: 23623

Re: Some North Eastern Locomotive Builds

I wonder if the Bradwell chassis would work under the later Hornby body? I've never seen a Hornby B1 come up for spares, not even from the eBay RTR dismantler who used to offer some very broken Hornby-China engines. Since mention has been made earlier in this thread of a possible Hornby equivalent ...
by Crepello
Fri Aug 23, 2019 5:48 pm
Forum: Recommendations
Topic: None specific model products
Replies: 27
Views: 3204

Re: None specific model products

Andy W wrote:Powerflow flux is wonderful stuff but be careful it’s very difficult to clean off and can eat through paint.

That was the reason given by some professional painters for refusing to take on jobs assembled with the aid of this flux. This discussed back in E4um days.
by Crepello
Tue Jun 25, 2019 4:49 pm
Forum: Steam Locomotives
Topic: Hornby B12
Replies: 8
Views: 1347

Re: Hornby B12

Perhaps we're all waiting for the correct driving wheels?
by Crepello
Fri Jun 07, 2019 1:19 pm
Forum: Wagons
Topic: Waisted bearings for Bedford sprung W irons?
Replies: 23
Views: 2335

Re: Waisted bearings for Bedford sprung W irons?

If I understand the OP correctly, the washers were introduced to counteract the over-deep cups on the waisted bearings. Thus the axleguard verticality should not be compromised as long as the washers merely take up the slack in the cups. Without the washers, and the resultant play in the cups, the a...
by Crepello
Wed May 29, 2019 12:51 pm
Forum: Trains: Model and Prototype
Topic: Electrically operated prototype turntables
Replies: 16
Views: 2151

Re: Electrically operated prototype turntables

Barrow Hill Roundhouse contains one of these in operational condition if you need one to get up close to.
by Crepello
Sat Apr 13, 2019 8:21 pm
Forum: Steam Locomotives
Topic: Wainwright H Class P4 conversion
Replies: 30
Views: 3144

Re: Wainwright H Class P4 conversion

I found them near-impossible to disassemble if you get the quartering a bit wrong, as the boss will not let go of the axle... . The original P4(Studiolith) ones have a taper fit between bush and axle, like the flywheel on a Mini or Morse drills in a lathe, the come apart very easily with a sharp ta...
by Crepello
Thu Apr 11, 2019 1:51 pm
Forum: Wagons
Topic: problems making wagon brakes
Replies: 8
Views: 1370

Re: problems making wagon brakes

I wouldn't rule out 3D printing. I've been experimenting with iMaterialise.com, and their stainless steel option. [...] One of my friends has produced connecting rods and other chassis parts for a working 1:160 scale narrow gauge locomotive through this method. Interesting! Are there any photos in ...
by Crepello
Fri Feb 01, 2019 4:22 pm
Forum: Steam Locomotives
Topic: Some North Eastern & LNER Locomotive Builds
Replies: 199
Views: 23623

Re: Some North Eastern & LNER Locomotive Builds

Bachmann B1 Conversion Additionally, the two formers must be aligned to give the correct slope on the cylinders, in this case around 1 in 50. There are witness marks on the outside of the mainframes to allow this slope to be adjusted and checked. This sort of thing makes you think the kit designer ...
by Crepello
Tue Jan 29, 2019 3:49 pm
Forum: Steam Locomotives
Topic: Some North Eastern & LNER Locomotive Builds
Replies: 199
Views: 23623

Re: Some North Eastern Locomotive Builds

I wonder if the Bradwell chassis would work under the later Hornby body? Dave was of the opinion, when he mentioned it to me, that the Hornby B1 was not quite right - he thought the running board drop ahead of the cylinders was over-scale. I've kept my eyes open for a cheap spare body to check this...
by Crepello
Sat Jan 19, 2019 7:36 pm
Forum: Jeremy Suter
Topic: GWR Steam Railmotor Chassis
Replies: 226
Views: 46693

Re: GWR Steam Railmotor Chassis

Jeremy Suter wrote:Another step forward toward the kit has arrived from Slaters who have done some lost wax casting for me in nickel silver.

Is that a service they'll perform for anyone?
by Crepello
Fri Jan 11, 2019 11:14 am
Forum: New Products
Topic: New 4mm Scale Deltic from Accurascale
Replies: 31
Views: 5665

Re: New 4mm Scale Deltic from Accurascale

Le Corbusier wrote:probably a naive question ... but aren't there any facsimiles of the original shop drawings available?

There were, at Derby RTC, but no longer accessible outside the rail industry. There are indications that (N)RM has some, which are accessible, but they aren't catalogued at the per-sheet level.
by Crepello
Wed Dec 26, 2018 12:28 pm
Forum: Steam Locomotives
Topic: Any Wheel and size!
Replies: 79
Views: 11259

Re: Any Wheel and size!

Now if the Society were friendly with a tyre supplier ...
by Crepello
Sun Dec 23, 2018 3:46 pm
Forum: Guest Book
Topic: Example prototype ride over VERY uneven track
Replies: 8
Views: 1314

Re: Example prototype ride over VERY uneven track

Wonder how a Class 700 (or its contents) would cope!
by Crepello
Fri Dec 07, 2018 12:53 am
Forum: Coaches and NPCS
Topic: Blood and Custard
Replies: 16
Views: 2440

Re: Blood and Custard

Philip Hall wrote:Now that they are going to be retooled to modern standards I am relieved!


... of much moolah - if the LNER Thompsons are anything to go by!
by Crepello
Sat Nov 24, 2018 8:20 pm
Forum: New Products
Topic: New 4mm Scale Deltic from Accurascale
Replies: 31
Views: 5665

Re: New 4mm Scale Deltic from Accurascale

Looks to outclass the Bachmann offering by a considerable margin.
Just when I'd acquired a 3-D printer to try to make some more convincing cabs!
by Crepello
Wed Aug 22, 2018 3:44 pm
Forum: John Donnelly
Topic: Structures for South Pelaw Junction
Replies: 31
Views: 4996

Re: Structures for South Pelaw Junction

Don't rivets also expand in girth within their holes as they are closed? This would put tensile hoop stresses around the hole, which is a bad idea with cast iron, as it is relatively weak in tension.
by Crepello
Sun Jul 15, 2018 12:13 pm
Forum: Guy Rixon
Topic: Drive components for electric locos and EMUs
Replies: 11
Views: 3759

Re: Drive components for electric locos and EMUs

As your final drive via the bevel gears is 1:1, the torque on the cardan shaft is going to approximate to the traction torque on the driven wheelset. This is then going to react with any suspension, including bolster slack, between the vehicle body and the bogie. This may not be a major problem with...
by Crepello
Sat Jun 02, 2018 11:50 am
Forum: Product Information
Topic: Ultrascale now closed to new orders
Replies: 51
Views: 8203

Re: Ultrascale now closed to new orders

more recently I've seen some directly printed steel wheels of superb quality for 2mm scale (metal printing at iMaterialise.com). So, I wonder what the quality and longevity of an injection mould produced this way might be? Could be fine for the cosmetic variations in driving wheels, which I would h...
by Crepello
Mon May 28, 2018 12:07 pm
Forum: Product Information
Topic: Ultrascale now closed to new orders
Replies: 51
Views: 8203

Re: Ultrascale now closed to new orders

I haven't noticed any speculation, unhelpful or otherwise, so far in this thread!
But concern about our continued ability to pursue our chosen activities is understandable, particularly as supply from other sources has become problematic.
by Crepello
Mon Jan 22, 2018 12:35 pm
Forum: Guest Book
Topic: Flexi Chassis an Appreciation
Replies: 467
Views: 65089

Re: Flexi Chassis an Appreciation

Yes. This repeats a query I posed a while ago: how can 4 non-co-planar wheel contact points be translated into 4 co-planar beam pivot points, merely by taking the mean of adjacent wheel contact points?
by Crepello
Mon Jan 08, 2018 10:15 pm
Forum: Track and Turnouts
Topic: Securing supplies of track components
Replies: 31
Views: 5711

Re: Securing supplies of track components

I suspect the Exactoscale working screw couplings relied on Malcolm Cross's contacts in Switzerland. But I share your disquiet about the future of the range above railhead height. Some outlook statement would be appreciated.
by Crepello
Sun Jan 07, 2018 3:24 pm
Forum: Trains: Model and Prototype
Topic: What back to back setting do you use?
Replies: 195
Views: 35040

Re: What back to back setting do you use?

To end on an interesting note, a distant (geographically) friend who had always modelled in OO but recently built several locos that run on "London Road", has just announced he has built a loco with Markits wheels and Markits P4 axles, that runs perfectly on a S4 (not P4) layout at anothe...
by Crepello
Mon Nov 13, 2017 2:20 pm
Forum: Exhibitions
Topic: Railex 2017
Replies: 26
Views: 5270

Re: Railex 2017

I understood that on the Little Bytham portion of the main line the large pacific expresses regularly hit 80mph (and greater) and I think that this capability is one of the governing criteria for his model. Isn't this the portion of line where Mallard achieved the record? To achieve this it is a ne...
by Crepello
Wed Oct 25, 2017 7:16 pm
Forum: Tools and Techniques
Topic: Slow TV
Replies: 9
Views: 2236

Slow TV

The BBC4 'Slow TV' strand at this instant has a chap handcrafting a WIndsor chair in his shed. "Complex and time-consuming" they say.
As this could equally apply to, say, an etched kit, or a track formation, what would it take to get some of our work featured I wonder?

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